Search Results - "Bourges, P"
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Strong interplay between stripe spin fluctuations, nematicity and superconductivity in FeSe
Published in Nature materials (01-02-2016)“…Neutron scattering measurements provide evidence for strong coupling between stripe spin fluctuations, nematicity and superconductivity in single-crystalline…”
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2
Elastic Softness of Hybrid Lead Halide Perovskites
Published in Physical review letters (22-08-2018)“…Much recent attention has been devoted towards unraveling the microscopic optoelectronic properties of hybrid organic-inorganic perovskites. Here we…”
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3
Intra-unit-cell magnetic correlations near optimal doping in YBa2Cu3O6.85
Published in Nature communications (03-07-2015)“…The pseudo-gap phenomenon in copper oxide superconductors is central to any description of these materials as it prefigures the superconducting state itself. A…”
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4
Electronic Liquid Crystal State in the High-Temperature Superconductor YBa2Cu3O6.45
Published in Science (American Association for the Advancement of Science) (01-02-2008)“…Electronic phases with symmetry properties matching those of conventional liquid crystals have recently been discovered in transport experiments on…”
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Normal-state spin dynamics and temperature-dependent spin-resonance energy in optimally doped BaFe1.85Co0.15As2
Published in Nature physics (01-03-2010)“…A neutron scattering study reveals that the magnetic fluctuations in an iron arsenide superconductor behave according to the conventional theories of metals,…”
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Neutron scattering study of the magnetic phase diagram of underdoped YBa2Cu3O6+x
Published in New journal of physics (29-10-2010)Get full text
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7
Magnetic order in the pseudogap phase of high-Tc superconductors
Published in Physical review letters (19-05-2006)“…One of the leading issues in high-T(c) superconductors is the origin of the pseudogap phase in underdoped cuprates. Using polarized elastic neutron…”
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8
Commensurate antiferromagnetic excitations as a signature of the pseudogap in the tetragonal high-Tc cuprate HgBa2CuO4+δ
Published in Nature communications (04-03-2016)“…Antiferromagnetic correlations have been argued to be the cause of the d -wave superconductivity and the pseudogap phenomena exhibited by the cuprates…”
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9
Unusual magnetic order in the pseudogap region of the superconductor HgBa2CuO4+δ
Published in Nature (London) (18-09-2008)“…Pseudogaps: secret of superconductivity The pseudogap region of the phase diagram is an important unsolved puzzle in the field of high transition-temperature…”
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10
Spin dynamics in the pseudogap state of a high-temperature superconductor
Published in Nature physics (01-11-2007)“…The pseudogap is one of the most pervasive phenomena of high-temperature superconductors. It is attributed either to incoherent Cooper pairing setting in above…”
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11
Direct evidence of weakly dispersed and strongly anharmonic optical phonons in hybrid perovskites
Published in Communications physics (12-03-2020)“…Hybrid organolead perovskites (HOP) have started to establish themselves in the field of photovoltaics, mainly due to their great optoelectronic properties and…”
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12
Temperature-dependent interplay of Dzyaloshinskii-Moriya interaction and single-ion anisotropy in multiferroic BiFeO3
Published in Physical review letters (05-09-2014)“…Low-energy magnon excitations in multiferroic BiFeO3 were measured in detail as a function of temperature around several Brillouin zone centers by inelastic…”
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13
Hidden magnetic excitation in the pseudogap phase of a high-Tc superconductor
Published in Nature (London) (11-11-2010)“…The pseudogap enters a new phase The pseudogap phenomenon, a discontinuity in the energy level of a material's electronic spectrum, is a universal…”
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14
Anisotropic critical magnetic fluctuations in the ferromagnetic superconductor UCoGe
Published in Physical review letters (27-10-2011)“…We report neutron scattering measurements of critical magnetic excitations in the weakly ferromagnetic superconductor UCoGe. The strong non-Landau damping of…”
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15
Hidden magnetic excitation in the pseudogap phase of a high- T c superconductor
Published in Nature (London) (11-11-2010)“…The elucidation of the pseudogap phenomenon of the high-transition-temperature (high-Tc) copper oxides-a set of anomalous physical properties below the…”
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16
Two-dimensional geometry of spin excitations in the high-transition-temperature superconductor YBa2Cu3O6+x
Published in Nature (London) (05-08-2004)“…The fundamental building block of the copper oxide superconductors is a Cu4O4 square plaquette. The plaquettes in most of these materials are slightly…”
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Magnetic-field-enhanced incommensurate magnetic order in the underdoped high-temperature superconductor YBa2Cu3O6.45
Published in Physical review letters (03-07-2009)“…We present a neutron-scattering study of the static and dynamic spin correlations in the underdoped high-temperature superconductor YBa2Cu3O6.45 in magnetic…”
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Two Ising-like magnetic excitations in a single-layer cuprate superconductor
Published in Nature physics (01-05-2012)“…There exists increasing evidence that the phase diagram of the high-transition temperature ( T c ) cuprate superconductors is controlled by a quantum critical…”
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Magnetic ordering and spin waves in Na0.82CoO2
Published in Physical review letters (22-04-2005)“…NaxCoO2, the parent compound of the recently synthesized superconductor Na(x)CoO(2):yH(2)O, exhibits bulk antiferromagnetic order below approximately 20 K for…”
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20
The Spin Excitation Spectrum in Superconducting YBa2Cu3O6.85
Published in Science (American Association for the Advancement of Science) (19-05-2000)Get full text
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